【図面の簡単な説明】[Brief explanation of drawings]
第１図はこの考案の一実施例である電動歯ブラ
シ器全体の内部機構を示す断面図、第２図は第１
図中線Ａ−Ａに沿つて得た断面図、第３図は器本
体の上ケースをその上端部を断面にして示す側面
図、第４図はその上ケースの平面図、第５図は器
本体ホルダケースの側面図、第６図はそのホルダ
ケースの底面図、第７図は大歯車とそのワンウエ
イクラツチ機構を示す構成図、第８図は小歯車と
そのワンウエイクラツチ機構を示す構成図、第９
図は第１図中線Ｂ−Ｂに沿つて得た拡大断面図、
第１０図は支持軸が一方向に回転した場合の内外
偏心カムの作動説明図、第１１図は支持軸が他方
向に回転した場合の内外偏心カムの作動説明図、
第１２図は連結杆の断面図、第１３図は回転用歯
ブラシを回転するためにモータを伝達する回転伝
達部を示す横断面図、第１４図はその縦断面図、
第１５図は器本体に往復直線運動用歯ブラシを接
続したこの電動歯ブラシ器を示す断面図である。
第１６図はこの考案の他の実施例である電動歯ブ
ラシ器の回動伝達部の構造を示す断面図、第１７
図はその回動伝達部における連結杆の先端側を示
す斜視図である。
１０……器本体、１１……回転用歯ブラシ、２
２……歯ブラシ取付開口、３８ｂ……直線往復動
用歯ブラシ接続部、４５ａ……回転用歯ブラシ接
続部、６０……往復動用歯ブラシ、６５……回動
往復動用ブラシ接続部。
Fig. 1 is a sectional view showing the entire internal mechanism of an electric toothbrush that is an embodiment of this invention, and Fig.
A sectional view taken along line A-A in the figure, FIG. 3 is a side view of the upper case of the main body with its upper end sectioned, FIG. 4 is a plan view of the upper case, and FIG. 6 is a bottom view of the holder case, FIG. 7 is a configuration diagram showing a large gear and its one-way clutch mechanism, and FIG. 8 is a configuration diagram showing a small gear and its one-way clutch mechanism. , No. 9
The figure is an enlarged sectional view taken along line B-B in Figure 1,
FIG. 10 is an explanatory diagram of the operation of the inner and outer eccentric cams when the support shaft rotates in one direction, and FIG. 11 is an explanatory diagram of the operation of the inner and outer eccentric cams when the support shaft is rotated in the other direction.
FIG. 12 is a cross-sectional view of the connecting rod, FIG. 13 is a cross-sectional view showing the rotation transmission part that transmits the motor to rotate the rotating toothbrush, and FIG. 14 is a longitudinal cross-sectional view thereof.
FIG. 15 is a sectional view showing this electric toothbrush device in which a toothbrush for reciprocating linear motion is connected to the device body.
FIG. 16 is a sectional view showing the structure of the rotation transmission part of an electric toothbrush according to another embodiment of the invention;
The figure is a perspective view showing the distal end side of the connecting rod in the rotation transmission section. 10... Appliance body, 11... Rotating toothbrush, 2
2... Toothbrush attachment opening, 38b... Toothbrush connection part for linear reciprocating motion, 45a... Toothbrush connection part for rotation, 60... Toothbrush connection part for reciprocating motion, 65... Brush connection part for rotating reciprocating motion.